Igneous Rocks

What are igneous rocks?

• Igneous rocks are formed from the cooling of water vapor.

• Igneous rocks are formed from the compression of organic matter.

• Igneous rocks are formed from the erosion of sedimentary rocks.

• Igneous rocks are formed from the solidification of molten material, either magma or lava.

Which of the following is not a type of igneous rock?

• Metamorphic rock

• Basalt

• Granite

• Sedimentary rock

Tags

NGSS.MS-ESS2-1

How are igneous rocks formed?

• Magma evaporates and leaves behind solid rocks

• Igneous rocks are formed by erosion and sedimentation

• Magma cools and solidifies

• Igneous rocks are formed by the compression of sedimentary rocks

What is the most common type of igneous rock?

• basalt

• obsidian

• pumice

• granite

What is the texture of igneous rocks?

• Smooth or rough

• Soft or hard

• Transparent or opaque

• Coarse-grained or fine-grained

What is the process called when magma cools and solidifies beneath the Earth's surface?

• solidification

• condensation

• vaporization

• liquefaction

Which type of igneous rock is formed from the cooling of lava on the Earth's surface?

• metamorphic rock

• extrusive igneous rock

• sedimentary rock

• intrusive igneous rock